NL7217468A - - Google Patents
Info
- Publication number
- NL7217468A NL7217468A NL7217468A NL7217468A NL7217468A NL 7217468 A NL7217468 A NL 7217468A NL 7217468 A NL7217468 A NL 7217468A NL 7217468 A NL7217468 A NL 7217468A NL 7217468 A NL7217468 A NL 7217468A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
- C08B11/22—Isolation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00150709A US3719663A (en) | 1971-06-07 | 1971-06-07 | Preparation of cellulose ethers |
| NL7217468A NL7217468A (en) | 1971-06-07 | 1972-12-21 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15070971A | 1971-06-07 | 1971-06-07 | |
| NL7217468A NL7217468A (en) | 1971-06-07 | 1972-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7217468A true NL7217468A (en) | 1974-06-25 |
Family
ID=26644842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7217468A NL7217468A (en) | 1971-06-07 | 1972-12-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3719663A (en) |
| NL (1) | NL7217468A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144179A (en) * | 1975-07-21 | 1979-03-13 | Halliburton Company | Composition for treating low temperature subterranean well formations |
| US4216829A (en) * | 1977-10-06 | 1980-08-12 | Halliburton Company | Gelled water epoxy sand consolidation system |
| US4199484A (en) * | 1977-10-06 | 1980-04-22 | Halliburton Company | Gelled water epoxy sand consolidation system |
| DE69129608T2 (en) * | 1990-07-02 | 1998-10-15 | Aqualon Co | Low viscosity, high solids polysaccharide composition |
| US5143157A (en) * | 1991-06-19 | 1992-09-01 | Halliburton Company | Catalyst for breaker system for high viscosity fluids |
| DE602005010362D1 (en) * | 2004-11-02 | 2008-11-27 | Shinetsu Chemical Co | Process for the separation of water-soluble cellulose ethers |
| JP2020536133A (en) * | 2017-10-03 | 2020-12-10 | ダウ グローバル テクノロジーズ エルエルシー | Simplified method for producing low viscosity cellulose ether |
-
1971
- 1971-06-07 US US00150709A patent/US3719663A/en not_active Expired - Lifetime
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1972
- 1972-12-21 NL NL7217468A patent/NL7217468A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3719663A (en) | 1973-03-06 |